ATMEGA4808-MUR vs ATMEGA4809-AF 对比
详细并排对比 ATMEGA4808-MUR 出自 Microchip Technology 和 ATMEGA4809-AF 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATMEGA4808-MUR - 8-Bit AVR MCU 20MHz 48KB Flash QFN-32 | Microchip
ATMEGA4808-MUR ✓ 量产中
规格对比
| 参数 | ATMEGA4808-MUR | ATMEGA4809-AF |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $1.22 | $1.92 |
| Core Processor | AVR 8-bit (megaAVR 0-series) | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Flash Memory Size | 48 KB (24K x 16) | — |
| SRAM Size | 6 KB (6K x 8) | — |
| EEPROM Size | 256 bytes | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| ADC Resolution | 10-bit | 10-bit |
| ADC Channels | 12 | 16 single-ended |
| Oscillator Type | Internal | — |
| 封装 | 32-VQFN (5x5 mm) exposed pad / 32-VFQFN | 48-TQFP (7x7 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Series | megaAVR 0, Functional Safety (FuSa) | — |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | — |
| Connectivity | I2C (TWI), SPI, USART | — |
| 引脚数量 | 32 | — |
| RoHS 状态 | Compliant | — |
| Core | — | 8-bit AVR RISC with hardware multiplier |
| Core Speed | — | 20 MHz max |
| Flash Memory | — | 48 KB (24K x 16) |
| SRAM | — | 6 KB |
| EEPROM | — | 256 bytes |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| Supply Voltage (typical) | — | 3.3 V / 5 V |
| Number of I/Os | — | 43 programmable I/O pins |
| UART Interfaces | — | 3 (USART) |
| SPI Interfaces | — | 2 |
| I2C Interfaces | — | 2 (TWI) |
| Timers | — | TCA x2, TCB x4, TCD x1 |
| Core Independent Peripherals (CIP) | — | Yes (CCL, event system, WDT, BOD) |
| Programming/Debug Interface | — | UPDI (single-wire) |
| 工作温度 | — | -40C to +105C (industrial) |
| Functional Safety Support | — | FuSa package support |